Prevention is the most effective way for the CFIA to protect the plant resource base. However should a pest become introduced in Canada, the Agency's goal is to reduce its impact.
- Apple Ermine Moth – Yponomeuta malinellus (Zellar)
- Apple Maggot – Rhagoletis pomonella (Walsh)
- Asian longhorned beetle – Anoplophora glabripennis
- Black pine bark beetle – Hylastes ater (Paykull)
- Blueberry Maggot – Rhagoletis mendax
- Box tree moth – Cydalima perspectalis (Walker)
- Brown Spruce Longhorn Beetle – Tetropium fuscum
- Citrus long-horned beetle – Anoplophora chinensis
- Emerald Ash Borer – Agrilus planipennis
- European Cherry Fruit Fly – Rhagoletis cerasi
- European grapevine moth – Lobesia botrana
- European oak leafroller – Tortrix viridana
- European Spruce Bark Beetle – Ips typographus L.
- European spruce longhorn beetle – Tetropium castaneum
- Filbertworm – Cydia latiferreana
- Gypsy Moth – Lymantria dispar
- Hemlock woolly adelgid – Adelges tsugae (Annand)
- Japanese beetle – Popillia japonica (Newman)
- Khapra Beetle – Trogoderma granarium Everts
- Leek Moth – Acrolepiopsis assectella (Zeller, 1839)
- Light Brown Apple Moth – Epiphyas postvittana
- Nun Moth – Lymantria monacha
- Oriental Fruit Moth – Grapholita molesta (Busck)
- Pine Shoot Beetle – Tomicus piniperda L.
- Red-Haired Pine Bark Beetle – Hylurgus ligniperda
- Red-necked longhorn beetle – Aromia bungii
- Rosy (Pink) Gypsy Moth – Lymantria mathura Moore
- Sirex Wasp – Sirex noctilio F.
- Spotted Lanternfly – Lycorma delicatula
- Tomato Leafminer – Tuta absoluta
Information on forest pests not present in Canada or included in the list of pests regulated by Canada can be found in the Exotic Forest Insect Guidebook 2006 in the Government of Canada Web Archive.
- Facilities Handling Plant Pests
- Plant health surveillance
- Plant pest cards
- Pests Regulated by Canada
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